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A233791
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Number of (n+1)X(7+1) 0..3 arrays with every 2X2 subblock having the sum of the squares of all six edge and diagonal differences equal to 11
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1
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169920, 2368972, 27765752, 443965172, 5726453720, 106891645888, 1472672162576, 31932787967364, 458614308877824, 11270712344470932, 165693256189402560, 4455859426015622536, 66305123717859542600, 1888352999421710351828
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OFFSET
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1,1
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COMMENTS
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LINKS
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EXAMPLE
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Some solutions for n=1
..0..2..3..1..3..1..2..1....2..3..3..1..1..3..1..3....2..0..2..3..1..3..2..0
..2..1..1..2..3..2..0..2....1..1..2..3..2..1..2..3....1..2..1..1..2..3..1..2
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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STATUS
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approved
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